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1 Marks Questions

CBSE Important Questions for class X Science Chapter 12 Electricity it includes important questions from NCERT solution text book prescribes for class 10 Science. A charge of 6 C is moved between two points P and Q having, potential 1OV and SV respectively. Find the amount of work done. Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then parallel in a circuit across the same potential difference.

2 Marks Questions

CBSE Important Questions for class X Science Chapter 12 Electricity it includes important questions from NCERT solution text book prescribes for class 10 Science. A nichrome wire of resistivity l00XlW m and copper wire of resistivity 1.62M ohm-m of same length and same area of cross section are connected in series , current is passed through them, why does the nichrome wire gets heated first?

3 Marks Questions

CBSE Important Questions for class X Science Chapter 12 Electricity it includes important questions from NCERT solution text book prescribes for class 10 Science. Two metallic wires A and B are connected in second wire A has length l and radius r, while wire B has length 2l and radius 2r. Find the ratio of total resistance of series combination and the resistance of wire A, if both the wires are of same material?

5 Marks Questions

CBSE Important Questions for class X Science Chapter 12 Electricity it includes important questions from NCERT solution text book prescribes for class 10 Science. Two wires A and B are of equal length, different cross sectional areas and made of same metal. Calculate the electricity bill of the household for the month of June if the cost per unit of electric energy is Rs. 3.00.